145663130 has 16 divisors (see below), whose sum is σ = 262339560. Its totient is φ = 58232832.

The previous prime is 145663129. The next prime is 145663151. The reversal of 145663130 is 31366541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41357761 + 104305369 = 6431^2 + 10213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145663093 and 145663102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24182 + ... + 29598.

Almost surely, 2^145663130 is an apocalyptic number.

145663130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145663130 is a deficient number, since it is larger than the sum of its proper divisors (116676430).

145663130 is a wasteful number, since it uses less digits than its factorization.

145663130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 145663130 is about 12069.0981436063. The cubic root of 145663130 is about 526.1584457154.

The spelling of 145663130 in words is "one hundred forty-five million, six hundred sixty-three thousand, one hundred thirty".